Millar, J.; Palumbo, R.D.; Rouanet, A.; Pichelin, G. - In: Energy 22 (1997) 2, pp. 301-309
We present a model of a two-step solar process for producing Zn from ZnO. The process consists of the following reactions: Fe3O4(1) → 3FeO(1) + 12O2 and 3FeO(s,1) + ZnO(s) → Fe3O4(s) + Zn(g). The rate and extent of decomposition of the first reaction is limited by the rate at which O2...